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39 lines
1.3 KiB
Plaintext
39 lines
1.3 KiB
Plaintext
error[E0271]: type mismatch resolving `impl Trait + ?Sized <: dyn Send`
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--> $DIR/unsized_coercion3.rs:13:17
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LL | let x = hello();
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| ^^^^^^^ types differ
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error[E0308]: mismatched types
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--> $DIR/unsized_coercion3.rs:18:14
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LL | fn hello() -> Box<impl Trait + ?Sized> {
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| ------------------- the expected opaque type
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...
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LL | Box::new(1u32)
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| -------- ^^^^ types differ
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| |
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| arguments to this function are incorrect
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= note: expected opaque type `impl Trait + ?Sized`
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found type `u32`
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note: associated function defined here
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--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
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error[E0277]: the size for values of type `impl Trait + ?Sized` cannot be known at compilation time
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--> $DIR/unsized_coercion3.rs:18:14
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LL | Box::new(1u32)
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| -------- ^^^^ doesn't have a size known at compile-time
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| |
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| required by a bound introduced by this call
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= help: the trait `Sized` is not implemented for `impl Trait + ?Sized`
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note: required by a bound in `Box::<T>::new`
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--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
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error: aborting due to 3 previous errors
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Some errors have detailed explanations: E0271, E0277, E0308.
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For more information about an error, try `rustc --explain E0271`.
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